A single mode fiber has mode field diameter 10.2μm and V=2.20.Find the time taken by the axial ray to travel along the fiber Consider a single mode fiber having core refractive index n1= 1.5.(Frequency separation = 2GHz, Wavelength = 0.5 μm) Considering the values given below, calculate the mode separation in terms of free space wavelength for a laser.A silica optical fiber with core diameter large enough to be considered by Ray theory has a core refractive index of 1.5 and cladding refractive index of 1.47.Determine numerical aperture. Determine the acceptance angle in air for the fiber.
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